Setting Up Xen Dom0 on Fedora : Xen 3.4.1 with Linux Kernel 2.6.29 on Fedora 12

Posted on

Please refer to for the latest stable Xen Dom0 solution. In this post, the detailed tutorial for setting up Xen 3.4.1 dom0 on top of Fedora 12 with kernel 2.6.29 will be introduced. Hardware: Dom0 hardware platform: Motherboard: INTEL S5500BC S5500 Quad Core Xeon Server Board CPU: 2 x Intel Quad Core Xeon E5520 2.26G
Read more

Sending Email Using mailx/s-nail in Linux Through Gmail SMTP

Posted on

The heirloom mailx (or s-nail if you are using Ubuntu 18 or later or similar releases) command in Linux is still providing service for guys like me, especially when we need to send email automatically by script. Gmail is great. Now, how to use gmail’s smtp in mailx/mail? gmail is a little special since gmail’s
Read more

Setting Up Linux Network Gateway Using iptables and route

Posted on

Sharing the networking is important and setting up a gateway is a good solution to it. Building up the gateway on a Linux box is easy, cost efficient and reliable. With a Linux box, you can share the internet connection or the only cable connected to the network. The Linux box network configuration The Linux
Read more

How to Set Up Socks Proxy Using SSH Tunnel

Posted on

We can set up a socks proxy on top of a SSH tunnel. Besides the common proxy functions, such as web browsing, the proxy on top of SSH tunnel also ensures the security between the browser and the proxy server (the SSH server). In this post, we introduce and explain how to set up a
Read more

Minimizes Thunderbird Windows into the System Tray

Posted on

I usually keep Thunderbird open when my computer is open. But Thunderbird is minimized to the taskbar. It will be more convenient if it is minimized or closed to the system tray as an icon.It will be better if it can display the number of unread messages. Mozilla’s software’s addon system give the method to
Read more

Installing NVIDIA Driver in Fedora

Posted on

Using rpmfusion’s rpm packages to install NVIDIA driver in Fedora is introduced in this post. First, check the proper drivers for the card on [1]. 1. Add rpmfusion. Enable RPM Fusion repositories 2. Install the driver # yum install kmod-nvidia xorg-x11-drv-nvidia The reboot system. 3. Edit /etc/X11/xorg.conf # nvidia-xconfig The nouveau module conflicts with the
Read more

How to Create ISO Image from DVD Disk on Linux

Posted on

DVD disks are still commonly used in some areas while the disks are not fast and convenient enough for frequent usage. For frequent usage or archiving, an image of the DVD on hard drives will be better. ISO images do not use a particular container format. They are just a sector-by-sector copy of the data
Read more

Compiz-fusion on Fedora

Posted on

1. Install relevant packages #yum install ccsm emerald-themes compizconfig-backend-gconf fusion-icon-gtk emerald compiz-fusion compiz-fusion-gnome libcompizconfig compiz-gnome compiz-bcop compiz compizconfig-python compiz-fusion-extras compiz-fusion-extras-gnome 2. Start compiz-fusion by using command “fusion-icon”. It can be found in “Applications -> system tools -> fusion-icon”. It will be more convenient if “fusion-icon” is added to autostart list by adding a entry in
Read more

Create and Manage Virtual Machines on Xen

Posted on

In this post, these content are introduced: Create and manage file-backed virtual block device (VBD) for virtual machines on xen. Install Fedora 11 via internet as DomU on top of xen. Manage virtual machines using xm. Create file-backed VBD: The actual space of VBD will be the amount of disk the virtual machine used. And
Read more

Converting Movie Files to wav and mp3 Files Using MPlayer and LAME

Posted on

As a multimedia enthusiast, you may want to convert your movie files to audio files for various reasons such as creating soundtracks, audio books or listening to dialogues & music without the video. Converting movie files to WAV and MP3 files using MPlayer and LAME is a simple and straightforward process. By following the steps
Read more

Moved back to WordPress from MediaWiki

Posted on

WordPress is so missed for many great features and plugins. Hence, we moved the site back to the WordPress system on Jul. 12, 2013. MediaWiki is great but, for this site, WordPress is a better solution. The so missed features of WordPress Related posts via the YARPP Plugin. URLs without strongly mapped to the title
Read more

How to Run a cron Job Every Two Weeks / Months / Days

Posted on

We may want to run some jobs for every two weeks/months/days… under some situation such as backing up for every other week. In addition, we may add more complex rules for running jobs, e.g. run a command when the load of the server is higher than a certain level. With the help of the shell
Read more

Storage Architecture and Challenges by Andrew Fikes at Google Faculty Summit 2010

Posted on

Storage Architecture and Challenges in Faculty Summit, July 29, 2010, by Andrew Fikes, Principal Engineer. Download PDF (from archive.org). This slides introduces some of Google’s storage systems with insights and discussion of problems.

PUMA: A MapReduce Benchmark Suite

Posted on

MapReduce is a well-known programming model designed for generating and processing large data. There are various MapReduce implementations. One widely known and used one may be Hadoop. Benchmarking MapReduce frameworks gets to be important. Faraz Ahmad et al. developed a benchmark suite: PUMA MapReduce Benchmark. During our work on MapReduce, we developed a benchmark suite
Read more

Hadoop TeraSort Benchmark

Posted on

TeraSort is one of Hadoop’s widely used benchmarks. Hadoop’s distribution contains both the input generator and sorting implementations: the TeraGen generates the input and TeraSort conducts the sorting. Here, we provide a short tutorial for using the Hadoop TeraSort benchmark. TeraGen generates random data that can be used as input data for a subsequent running
Read more

Large-scale Data Storage and Processing System in Datacenters

Posted on

Research on Cloud Computing has made big progresses and many excellent large-scale systems have been designed in recent years. I compiled a list of some large-scale data storage and processing systems in datacenters as follows. Storage systems Google File System (GFS): http://research.google.com/archive/gfs.html HDFS implementation: https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-hdfs/HdfsDesign.html Colossus (GFS2): Colossus: Successor to the Google File System (GFS)
Read more

Microsofts Cosmos Service

Posted on

Cosmos is “Microsoft’s internal data storage/query system for analyzing enormous amounts (as in petabytes) of data”. There is no paper/technical report about Cosmos published yet. I compiled a list of information about Cosmos on the Web as follows. What is Microsoft’s Cosmos service? by Yaron Y. Goland. Microsoft Cosmos: Petabytes perfectly processed perfunctorily by Seth
Read more

Colossus: Successor to the Google File System (GFS)

Posted on

Colossus is the successor to the Google File System (GFS) as mentioned in the paper on Spanner at OSDI 2012. Colossus is also used by spanner to store its tablets. The information about Colossus is slim compared with GFS which is published in the paper at SOSP 2003. There is still some information about Colossus
Read more